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Finding the Fourth Proportional to 549,503.36, 758,547.84 and 358,680.32

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Solution

The fourth proportional to 549,503.36, 758,547.84 and 358,680.32 is: 495,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,503.36 : 758,547.84 = 358,680.32 : x
  2. Step 2: Convert to fraction form
    549,503.36/758,547.84 = 358,680.32/x
  3. Step 3: Cross multiply
    549,503.36x = 758,547.84 × 358,680.32
  4. Step 4: Simplify right side
    549,503.36x = 272,076,181,986.51
  5. Step 5: Solve for x
    x = 272,076,181,986.51/549,503.36
  6. Step 6: Final answer
    x = 495,131.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.