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Finding the Fourth Proportional to 549,632.16, 758,483.52 and 307,913.17

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Solution

The fourth proportional to 549,632.16, 758,483.52 and 307,913.17 is: 424,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,632.16 : 758,483.52 = 307,913.17 : x
  2. Step 2: Convert to fraction form
    549,632.16/758,483.52 = 307,913.17/x
  3. Step 3: Cross multiply
    549,632.16x = 758,483.52 × 307,913.17
  4. Step 4: Simplify right side
    549,632.16x = 233,547,065,035.96
  5. Step 5: Solve for x
    x = 233,547,065,035.96/549,632.16
  6. Step 6: Final answer
    x = 424,915.21

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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.