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Finding the Fourth Proportional to 372,416.64, 514,453.32 and 358,590.52

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Solution

The fourth proportional to 372,416.64, 514,453.32 and 358,590.52 is: 495,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,416.64 : 514,453.32 = 358,590.52 : x
  2. Step 2: Convert to fraction form
    372,416.64/514,453.32 = 358,590.52/x
  3. Step 3: Cross multiply
    372,416.64x = 514,453.32 × 358,590.52
  4. Step 4: Simplify right side
    372,416.64x = 184,478,083,534.53
  5. Step 5: Solve for x
    x = 184,478,083,534.53/372,416.64
  6. Step 6: Final answer
    x = 495,354.03

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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.